Patent No. 8,608,601
Issued: December 17, 2013
Inventor: Kim; Ji Yong (Nabari-shi, Korea)
ISSUE: A chain tensioning device with a short center distance that can impart a tensioning force to a plurality of chain spans at the same time with a simple structure.
MEANS OF RESOLUTION: A tensioning device (1) includes a first tensioner arm (2) having an arm part (20) disposed outside a chain span (C1) and a flange part (21) integrated with the arm part (20) and projecting toward the internal space between chain spans (C1, C2), a second tensioner arm (3) having an arm part (30) disposed outside a chain span (C2) and a flange part (31) integrated with the arm part (30), projecting toward the internal space between chain spans (C1, C2), and overlapping the flange part (21), a linking part pivotably linking the flange parts 821, 31) at the overlapping portion of the flange parts (21, 31), and a tensioner (4) urging the first tensioner arm (2) toward the chain span (C1).
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